Commit-ID: 0f6d785c847eeff55ae19546f5885156394be569 Gitweb: http://git.kernel.org/tip/0f6d785c847eeff55ae19546f5885156394be569 Author: Damien Riegel <damien.riegel@xxxxxxxxxxxxxxxxxxxx> AuthorDate: Mon, 21 Dec 2015 15:11:22 -0500 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Tue, 29 Dec 2015 11:58:53 +0100 irqchip/ts4800: Add documentation for TS-4800 interrupt controller This is an interrupt-controller implemented in an FPGA, to multiplex interrupts generated from other IPs. The FPGA usually uses a GPIO as a parent interrupt controller to notify that one of the multiplexed interrupts has triggered. Signed-off-by: Damien Riegel <damien.riegel@xxxxxxxxxxxxxxxxxxxx> Acked-by: Rob Herring <robh@xxxxxxxxxx> Cc: Jason Cooper <jason@xxxxxxxxxxxxxx> Cc: Marc Zyngier <marc.zyngier@xxxxxxx> Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Pawel Moll <pawel.moll@xxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx> Cc: kernel@xxxxxxxxxxxxxxxxxxxx Link: http://lkml.kernel.org/r/1450728683-31416-1-git-send-email-damien.riegel@xxxxxxxxxxxxxxxxxxxx Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- .../bindings/interrupt-controller/technologic,ts4800.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/technologic,ts4800.txt b/Documentation/devicetree/bindings/interrupt-controller/technologic,ts4800.txt new file mode 100644 index 0000000..7f15f1b --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/technologic,ts4800.txt @@ -0,0 +1,16 @@ +TS-4800 FPGA interrupt controller + +TS-4800 FPGA has an internal interrupt controller. When one of the +interrupts is triggered, the SoC is notified, usually using a GPIO as +parent interrupt source. + +Required properties: +- compatible: should be "technologic,ts4800-irqc" +- interrupt-controller: identifies the node as an interrupt controller +- reg: physical base address of the controller and length of memory mapped + region +- #interrupt-cells: specifies the number of cells needed to encode an interrupt + source, should be 1. +- interrupt-parent: phandle to the parent interrupt controller this one is + cascaded from +- interrupts: specifies the interrupt line in the interrupt-parent controller -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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